Compilare: main.cpp: In function 'void subsir1(int)': main.cpp:23:11: warning: unused variable 'j' [-Wunused-variable] int i,j,k=-1,len=1,poz; ^ main.cpp:23:13: warning: unused variable 'k' [-Wunused-variable] int i,j,k=-1,len=1,poz; ^ main.cpp: In function 'void subsir2(int)': main.cpp:40:11: warning: unused variable 'j' [-Wunused-variable] int i,j,k=-1,len=1,poz; ^ main.cpp:40:13: warning: unused variable 'k' [-Wunused-variable] int i,j,k=-1,len=1,poz; ^ main.cpp: In function 'int cb(int, int, double)': main.cpp:19:12: warning: 'elem' may be used uninitialized in this function [-Wmaybe-uninitialized] return elem; ^~~~ main.cpp: In function 'void subsir1(int)': main.cpp:33:18: warning: 'elem' may be used uninitialized in this function [-Wmaybe-uninitialized] st[i]=poz; ~~~~~^~~~ main.cpp: In function 'void subsir2(int)': main.cpp:50:18: warning: 'elem' may be used uninitialized in this function [-Wmaybe-uninitialized] dr[i]=poz; ~~~~~^~~~